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Class Information
Number: 379/312
Name: Telephonic communications > Centralized switching system > Having multiple answering jacks for multiplied line
Description: Subject matter including plural jack connectors for a line on different switchboards of a switching exchange.


Patents under this class:

Patent Number Title Of Patent Date Issued
6983046 Routing and labeling system for wires, cables, fibers, and the like Jan. 3, 2006
 
 
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